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whirlpol dryer won't start-just hums when I push the start button
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Model: WED5300SQO Brand: Whirlpool Age: 1 - 5 years
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ronamer  
#11 Posted : Thursday, September 17, 2009 3:38:42 PM(UTC)
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Originally Posted by: Gene Go to Quoted Post
A regular simple motor has two windings: start and run, and centrifugal switch. Start winding has a higher torque to start a rotor movement. Power comes to both windings when you push start button. As soon as a rotor got to its normal speed, centrifugal switch interrupts power to start winding while run winding still has it.

If there is something wrong with start winding then rotor can not start rotation because run winding does not have enough torque for it, but because it's powered up - it makes a humming noise.

Gene.



thanks Gene, that explains a lot. I am not used to working on that kind of motor, so it taught me something new.
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Urbo464  
#12 Posted : Friday, December 4, 2009 12:51:06 PM(UTC)
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I found this thread after posting a new one with an identical problem, drum starts with a push and turns freely, but not on its own.

I found other advice elsewhere pointing to motor start capacitor or board, but could not find a capacitor on the model's parts list.

Gene's explanation of the motor sounds very knowledgeable and authoritative, but just wondering before I run out and buy the part and try to install whether these symptoms always point to motor, or how to identify cause with certainty.

Thank you.
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Gene  
#13 Posted : Friday, December 4, 2009 2:24:38 PM(UTC)
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Usually dryer motors do not have capacitors. According to the problem description you posted in the different thread (http://forum.appliancepartspros.com/dryer-repair/62259-motor-humms-drum-needs-push-start-spinning.html), the motor has gone bad.

You can take the dryer apart as instructed in the Service manual and check the motor by measuring the windings resistance as indicated in the Tech sheet wiring diagram. Also check how freely the motor shaft is turning.

- The motor Part number: AP3094233
Part number: AP3094233



Here are the breakdown diagrams and Replacement parts for WHIRLPOOL GGW9250PW0 Gas Dryer | AppliancePartsPros.com

Gene.

P.S. Hopefully it'll save your life and make your wife happier.
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Urbo464  
#14 Posted : Friday, December 4, 2009 2:41:07 PM(UTC)
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Thank you, Sir.

My wife will be very happy when she can wash my clothes again:)
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Gene  
#15 Posted : Friday, December 4, 2009 3:13:53 PM(UTC)
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You are welcome, Sir. Keep us posted.

Gene.
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Urbo464  
#16 Posted : Monday, December 7, 2009 11:05:46 AM(UTC)
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Thanks, Gene,

I've gotten as far as attempting to remove the blower wheel, but it will not budge, and wrench slips off the hex on the back of the motor.

I guess I can break it off and get a new one, but not sure the best way to do it?? Is there a trick to getting it off, or what is the best way to break it?

Gary
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Gene  
#17 Posted : Monday, December 7, 2009 1:55:19 PM(UTC)
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Originally Posted by: Urbo464 Go to Quoted Post
Thanks, Gene,

I've gotten as far as attempting to remove the blower wheel, but it will not budge, and wrench slips off the hex on the back of the motor.

I guess I can break it off and get a new one, but not sure the best way to do it?? Is there a trick to getting it off, or what is the best way to break it?

Gary


The blower wheel is threaded on the motor shaft with left-hand thread.
In order to remove the blower wheel you need a 1/2" socket wrench driver.

If no success, you can break the blower wheel in pieces, using a chisel. This situation is very common and I did it myself many times.

- The blower wheel Part number: AP2912089
Part number: AP2912089



Gene.
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Urbo464  
#18 Posted : Tuesday, December 8, 2009 8:27:59 AM(UTC)
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thanks again, Gene, I've ordered the blower wheel. starting out by turning it the wrong way didn't help once I finally figured out the right way. I'll have to chisel it off.
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Gene  
#19 Posted : Tuesday, December 8, 2009 1:59:25 PM(UTC)
Gene

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You are welcome. Keep us posted.

Gene.
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Urbo464  
#20 Posted : Tuesday, December 8, 2009 8:40:16 PM(UTC)
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waiting for blower fan, easy install, motor installed successfully. I'm marking this one a winner on saved labor and parts markup costs of at least 200. educational and gratifying too.
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